LONDON, ENGLAND - AUGUST 04: Jessica Ennis of Great Britain competes in the Women's Heptathlon Long Jump on Day 8 of the London 2012 Olympic Games at Olympic Stadium on August 4, 2012 in London, England. (Photo by Ian Walton/Getty Images)
LONDON, ENGLAND - AUGUST 04: Rusheen McDonald of Jamaica, Luguelin Santos of Dominican Republic, Oscar Pistorius of South Africa and Maksim Dyldin of Russia compete in the Men's 400m Round 1 Heats on Day 8 of the London 2012 Olympic Games at Olympic Stadium on August 4, 2012 in London, England. (Photo by Ian Walton/Getty Images)
